Portable light



FIG. 1 is a perspective view of an ornamental design for a portable light;

FIG. 2 is a second perspective view of the ornamental design;

FIG. 3 is a side view of a first side of the ornamental design;

FIG. 4 is a side view of a second side of the ornamental design;

FIG. 5 is a side view of a third side of the ornamental design;

FIG. 6 is a side view of a fourth side of the ornamental design;

FIG. 7 is an end view of a first end of the ornamental design; and,

FIG. 8 is an end view of a second end of the ornamental design.

Broken lines in the illustrations of the drawing indicate unclaimed parts of the article that are not part of the design illustrated herein. 

CLAIM The ornamental design for a portable light, substantially as shown and described. 